Others will feel that they have quite enough archive material of their own.

Woodcuts, lithographs, drawings, watercolours and mezzotints, plus exclusive archive material that focuses on how the artist used space and pattern to create a surrealist atmosphere.

The display of more than a hundred works, will feature paintings, photographs and archive material.

Each would probably have a slightly different memory of the event but the archive material should help with an accurate unfolding of the events.

For much of the two-hour show the band perversely favoured more downbeat archive material over big hits.